.color-ui
  --color-ui-dark-50 #4a4a4a
  --color-ui-dark-100 #3c3c3c
  --color-ui-dark-200 #323232
  --color-ui-dark-300 #2d2d2d
  --color-ui-dark-400 #222222
  --color-ui-dark-500 #1f1f1f
  --color-ui-dark-600 #1c1c1e
  --color-ui-dark-700 #1b1b1b
  --color-ui-dark-800 #181818
  --color-ui-dark-900 #0f0f0f
